Marking code search for "S4B", search S4B found 2 records.

Marking of electronic components, SMD Codes S4B, S4B**. ADG702, LM809M3-2.93, ic marking code.

PartNumber	Marking code	Manufacturer	Package
ADG702	S4B		MSOP-8
LM809M3-2.93	S4B		SOT23-3